This AR converstion kit is made of stainless steel, includes a anti-jam charging handle, cleaning jag guide rod, forward assist adaptor, and a 25rd magazine.
Specifications:

Type	Conversion Kit
Model	AR
Slide Finish	Black
Slide Material	Steel
Barrel Length
Barrel Material
Barrel Finish
Capacity	25
Stock Material
Stock Finish
Includes
Max Capacity	25